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High-performance disc rotor engineered for reliable braking power on demanding trails and technical terrain. The SHIMANO SM-RT66 features a 203mm diameter with 6-bolt mounting, delivering consistent stopping power in wet and dry conditions. Built with SHIMANO's proven thermal dissipation technology to reduce fade during extended descents. Compatible with most modern disc brake systems. Essential upgrade for riders seeking improved modulation and durability on their mountain or gravel bike.
SHIMANO Disc Rotors 6 Bolt 203mm SM-RT66
$59.95
Sale price
$59.95
Regular price